Re: [Rd] using yscrollcommand in tkcanvas crashes R (PR#13231)

From: Greg Snow <Greg.Snow_at_imail.org>
Date: Thu, 30 Oct 2008 09:38:37 -0600

I don't know if this is the case here or not, but putting in scrollbars and scrolling can be a bit tricky. It usually works best to create the canvas without a scroll command, then create the scrollbar(s), then use tkconfig to go back and add the scroll command to the canvas after the scrollbar has been created and placed.

Hope this helps,

--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow_at_imail.org
801.408.8111



> -----Original Message-----
> From: r-devel-bounces_at_r-project.org [mailto:r-devel-bounces_at_r-
> project.org] On Behalf Of sundar.dorai-raj_at_pdf.com
> Sent: Wednesday, October 29, 2008 11:10 PM
> To: r-devel_at_stat.math.ethz.ch
> Cc: R-bugs_at_r-project.org
> Subject: [Rd] using yscrollcommand in tkcanvas crashes R (PR#13231)
>
> Full_Name: Sundar Dorai-Raj
> Version: 2.8.0
> OS: Windows
> Submission from: (NULL) (76.220.41.126)
>
>
> The following code crashes R:
>
> library(tcltk)
> tt <- tktoplevel()
> tc <- tkcanvas(tt, yscrollcommand = function(...) tkset(ts, ...))
>
> > sessionInfo()
> R version 2.8.0 (2008-10-20)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
> States.1252;LC_MONETARY=English_United
> States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
>
> attached base packages:
> [1] tcltk stats graphics grDevices utils datasets methods
> [8] base
>

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Received on Thu 30 Oct 2008 - 15:41:17 GMT

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